The amount of cash or cash equivalents contributed by the entity to fund its pension plans.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 28
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3536-108585

Name:	us-gaap_PensionContributions
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Pension And Other Postretirement Benefits (Narrative) (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended	6 Months Ended
	Mar. 31, 2011	Jun. 26, 2011	Jun. 26, 2011	Dec. 31, 2011
Pension And Other Postretirement Benefits
Minimum age to attain pension benefits			50
Maximum age plus service to attain pension benefits			65
Pension obligations assumed by the buyer	$ 24.4
Post-retirement obligations assumed by the buyer	7.4
Pension assets were transferred to the buyer	17.7
Minimum pension contribution				6.4
Pension Contributions		$ 0.4	$ 1.4